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Overclocking HD4670

mate209

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#1
I don't have custom cooler.

I use RivaTuner

How much can I raise it? (hz)

what is recommendable frequency?

thanks

edit: 512 GDDR3 e
 
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#2
its hard to say how much it will clock as all cards end up with diffrent results.

all i can say is i have an ati HD4650 600mhz/800mhz now if i clock both ran and GPU the highest i can get stable on both is 640/840mhz but if i just clock the GPU i can push it to 680mhz.

hope this helps give you some idea and understanding :D

What are you default clocks?
 
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newtekie1

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#3
Just go up a little bit at a time, and run a stability(Furmark) test after each bump in speed. If it passes a half hour of Furmark's stability test with no artifacts, then bump it up a little more. Keep doing this until you get artifacts, or crashes, then lower it until you don't get artifacts or crashes.
 
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#4
sorry forgot to add i dont have any custom cooling on mine either.
 

mate209

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#5
What are you default clocks?
750/873

Just go up a little bit at a time, and run a stability(Furmark) test after each bump in speed. If it passes a half hour of Furmark's stability test with no artifacts, then bump it up a little more. Keep doing this until you get artifacts, or crashes, then lower it until you don't get artifacts or crashes.
k thanks
 
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#6
go up in 5mhz at a time this is what i did till the card craped out hehe, i also notice more of an increase in FPS when i just overclock my GPU core and leave my ram at default.

If i remember right, im sure i have seen your card being pushed to 850mhz core and 900mhz on the ram but im not sure if that was with custom cooling.
 

TheShad0W

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#7
I got 840/950 out of a friend's one recently. That's not to say that yours will give the same results though.